185/55R15 Tires

185/55R15 Conversion

When converted to inches, 185/55R15 is equivalent to 23x7.3R15.

185/55R15 tire has a section width of 7.3 inches which is the measurement of tire's width from its inner sidewall to its outer sidewall. Rim diameter of 15 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 4 inches (102 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 23 inches (585 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 72.2 inches (1836.9 mm) is the outer perimeter of the tire. Tire revolutions indicate the number of times a tire revolves while it covers the distance in miles or kilometers. 185/55R15 tire makes 878 revolutions per mile (544 revolutions per kilometer).

185/55R15 Section Width
7.3"
23"
185/55R15 Tire Side
Tire Circumference
72.2"
15"
4"
878 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 585 mm 23"
Tread Width 185 mm 7.3"
Rim Diameter 381 mm 15"
Sidewall Height 102 mm 4"
Circumference 1836.9 mm 72.2"
Revolutions 544 per km 878 per mile
Best Prices on 185/55R15 Tires
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TireRack from $83.99
Discount Tire from $91.35
Priority Tire from $79.99
Simple Tire from $69.98

185/55R15 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 185/55R15 tire can be replaced with 42 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
115/70R16 22.4" (568 mm) -2.9%
135/60R16 22.4" (568 mm) -2.9%
145/65R15 22.4" (569 mm) -2.7%
205/40R16 22.4" (570 mm) -2.6%
135/70R15 22.5" (571 mm) -2.4%
165/50R16 22.5" (572 mm) -2.2%
275/35R15 22.6" (573 mm) -2.1%
175/55R15 22.6" (573 mm) -2.1%
215/45R15 22.6" (575 mm) -1.7%
195/50R15 22.7" (577 mm) -1.4%
245/40R15 22.7" (577 mm) -1.4%
215/40R16 22.8" (578 mm) -1.2%
245/35R16 22.8" (578 mm) -1.2%
165/60R15 22.8" (579 mm) -1%
165/45R17 22.8" (580 mm) -0.9%
125/80R15 22.9" (581 mm) -0.7%
215/35R17 22.9" (582 mm) -0.5%
195/45R16 22.9" (582 mm) -0.5%
175/50R16 22.9" (582 mm) -0.5%
125/70R16 22.9" (582 mm) -0.5%
225/45R15 23" (583 mm) -0.3%
155/65R15 23" (583 mm) -0.3%
255/35R16 23" (584 mm) -0.2%
225/40R16 23.1" (586 mm) 0.2%
295/35R15 23.1" (587 mm) 0.3%
205/50R15 23.1" (587 mm) 0.3%
195/40R17 23.1" (588 mm) 0.5%
225/35R17 23.2" (590 mm) 0.9%
205/45R16 23.2" (590 mm) 0.9%
175/60R15 23.3" (591 mm) 1%
185/50R16 23.3" (592 mm) 1.2%
235/45R15 23.3" (593 mm) 1.4%
195/55R15 23.4" (595 mm) 1.7%
165/65R15 23.4" (595 mm) 1.7%
205/40R17 23.5" (596 mm) 1.9%
135/70R16 23.5" (596 mm) 1.9%
135/80R15 23.5" (597 mm) 2.1%
215/50R15 23.5" (597 mm) 2.1%
175/55R16 23.5" (598 mm) 2.2%
155/70R15 23.6" (599 mm) 2.4%
215/45R16 23.6" (600 mm) 2.6%
195/50R16 23.7" (602 mm) 2.9%